1: phenyllithium With copper (I) cyanide in tetrahydrofuran; diethyl ether; hexane T=-30 - -10°C; 0.166667 h; Inert atmosphere; 2: 1-chloro-1-methyl-2-(hydroxyimino)ethane in tetrahydrofuran; diethyl ether; hexane T=-30°C; 0.333333 h; Inert atmosphere; 3: With sulfuric acid in tetrahydrofuran; diethyl ether; hexane; dichloromethane T=-30°C; Inert atmosphere;